Download or read book Surface Interactions Between Nanocrystal Cellulose and Liposomes written by Min Li and published by . This book was released on 2015 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Surface Modifications of Nanocellulose written by Ning Lin and published by Elsevier. This book was released on 2024-06-01 with total page 484 pages. Available in PDF, EPUB and Kindle. Book excerpt: Surface Modifications of Nanocellulose: Strategies, Methods, and Applications establishes the basic framework of nanocellulose. This book systemically summarizes the strategy and protocols of surface modifications on nanocellulose and comprehensively analyzes the relationship between surface modifications and their functional applications. It provides a one-stop reference for researchers engaged in biopolymer research with a commitment to the development of highly-valued functional polymers, nanomaterials, and green chemistry. Systemically summarizes the strategy and protocols of surface modifications on nanocellulose Includes a database for the modified species as a reference book for surface modification on nanocellulose Illustrates the relationship between modification and applications of nanocellulose Provides inspiration for the development of potential functional modification in this field

Download or read book Liposome Technology Second Edition written by Gregory Gregoriadis and published by CRC Press. This book was released on 1992-10-23 with total page 424 pages. Available in PDF, EPUB and Kindle. Book excerpt: Liposome Technology, Second Edition, is an updated, expanded new edition of a classic volume in the field. It covers all aspects of liposome technology, including liposome preparation and analysis, drug entrapment, and techniques used for in vivo and in vitro evaluation of liposomes. Leading authorities have contributed 70 chapters to create what is destined to be the standard liposome technology book for the 1990s. Many of the chapters describe methodologies practiced in authors' laboratories and provide specific examples of how these methodologies are applied in specific circumstances. Liposome Technology, Second Edition will be an essential reference volume for academic and industrial researchers in pharmacology, pharmacy, medicine, biochemistry, and immunology. What's new in the 2nd Edition? The 2nd Edition covers significant developments in liposome technology that have occurred since the publication of the 1st Edition in 1982. These developments include the following: New preparative procedures Special approaches to accommodate the incorporation of certain drugs New targeting techniques Large scale production of liposomes, patents, and clinical trials

Download or read book Dynamics of Advanced Sustainable Nanomaterials and Their Related Nanocomposites at the Bio Nano Interface written by Niranjan Karak and published by Elsevier. This book was released on 2019-07-30 with total page 268 pages. Available in PDF, EPUB and Kindle. Book excerpt: Dynamics of Advanced Sustainable Nanomaterials and Their Related Nanocomposites at the Bio-Nano Interface highlights the most recent research findings (conducted over the last 5-6 years) on the dynamics of nanomaterials, including their multifaceted, advanced applications as sustainable materials. In addition, special attributes of these materials are discussed from a mechanistic and application point-of-view, including their sustainability and interfacial interactions at the bio-nano interface and different applications. This book presents an important reference resource on advanced sustainable nanomaterials for chemical, nano-, and materials technologists who are looking to learn more about advanced nanocomposites with sustainable attributes. Finally, the book examines the emerging market for sustainable materials and their advanced applications, with a particular focus on the bio-nano interface and their future outlook. Features detailed information on the fundamentals of bio-nano interfacial interactions in sustainable nanomaterials Includes advanced applications of these materials that will help the end user select the appropriate materials for their desired application Features extensive information on the dynamics of these materials, helping the end user extend their work into new applications

Download or read book Surface Modification of Cellulose Nanocrystal for Advanced Applications written by Zhen Zhang and published by . This book was released on 2017 with total page 146 pages. Available in PDF, EPUB and Kindle. Book excerpt: Cellulose nanocrystals (CNC) are bio-based nanoparticles, which display an array of interesting properties related to their renewability, biocompatibility, high tensile strength and elastic modulus, high aspect ratio, low density, low coefficient of thermal expansion, and liquid crystal behavior. As a result, CNC can be exploited in a wide variety of applications, which include the fields of composites, catalysts, emulsions or colloidosomes. However, the engineering of innovative nanomaterials from CNC generally requires a fine control of their surface properties by chemical modification, to tailor their dispersive, interfacial and self-assembling properties, or to introduce novel functionalities. In this context, the surface functionalization of cellulose nanocrystals by esterification and Surface-Initiated Atom Transfer Radical Polymerization (SI-ATRP) reactions was envisaged, with the objective to develop novel advanced materials. The first chapter describes the state-of-the-art of the field in which the cellulose nanocrystals are presented, with their properties, methods of functionalization and potential applications. A brief overview of the SI-ATRP reaction is also given. In the second chapter, a convenient method is proposed to directly characterize the polymer grafted by SI-ATRP on the CNC surface, without cleaving the polymer from the nanoparticle. The SI-ATRP grafting of polystyrene (PS) at the CNC surface was performed from brominated CNC initiators, in the presence of a sacrificial initiator. With this work, we show that Dynamic light scattering (DLS) is a convenient tool to monitor the polymerization process, while differential scanning calorimetry (DSC) can be used to verify if the polymerization rates of the grafted and free polymers coincide. Finally, we demonstrate that thermogravimetric analysis (TGA) can be used to directly estimate the molecular weight of the PS grafted at the surface of the CNC without cleaving the polymer from the nanoparticle. In the third chapter, both SI-ATRP and Surface-Initiated Activator Re-Generated by Electron Transfer ATRP (SI-ARGET ATRP) were conducted to graft PS and P4VP on the surface of CNC. The SI-ATRP and SI-ARGET ATRP approaches were systematically compared to evaluate the potential benefit of each method. The surface initiating efficiencies (SIE) of the CNC-Br macroinitiators with regards to styrene or P4VP were evaluated by TGA and EA, respectively. The combination of analytical methods such as FT-IR, DLS, DSC, TGA, and EA demontrated that the SI-ARGET ATRP reaction favored the grafting of longer polymer chains with lower grafting densities compared with the classical SI-ATRP method. The impact of catalyst concentration and propagation rate on the differences noted was particularly discussed. In the fourth chapter, pH-responsive P4VP-g-CNC nanohybrids were prepared by SI-ATRP and subsequently used to stabilize gold nanoparticles (Au NPs) and produce recyclable catalysts. The presence of P4VP brushes at the CNC surface led to the growing of Au NPs of lower averaged diameter compared with the diameter of the Au NPs deposited on pristine CNC. The catalytic performance of pristine Au NPs, Au NPs stabilized by CNC (Au@CNC) and Au NPs stabilized by P4VP-g-CNC (Au@P4VP-g-CNC) were then compared, through the measurement of the turnover frequency (TOF) obtained after catalytic reduction of 4-nitrophenol (4NP), used as a model reaction. Compared with pristine Au NPs, the catalytic activity of Au@CNC and Au@P4VP-g-CNC were about 10 and 24 times better, respectively. Moreover, the Au@P4VP-g-CNC material could be conveniently recovered by flocculation at basic pH, and the recycled catalyst remained highly active. In the fifth chapter, Ultraviolet (UV)-responsive poly(cinnamoyloxy ethyl methacrylate) (PCEM) was grafted on CNC using SI-ATRP. The resultant PCEM-grafted CNC (PCEM-g-CNC) exhibits high UV absorption properties and undergoes crosslinking under UV irradiation. When the PCEM-g-CNC nanohybrids were incorporated in poly(vinyl chloride), transparent composite films with UV-blocking properties were obtained. The comparison of the optical and mechanical properties of the films before and after UV-irradiation allowed it to be demonstrated that the PCEM-g-CNC nanoparticles also acted as thermal and UV-stabilizers for PVC. Meanwhile, the tensile mechanical properties of the PVC film were significantly improved, and further increased after UV-irradiation. In the sixth chapter, a facile method to prepare colloidosomes at room temperature is proposed from w/o inverse Pickering emulsions containing silica precursors and stabilized by cinnamate modified CNC (Cin-CNC). Cin-CNC Pickering surfactants were prepared by acylation with an excess of cinnamoyl chloride. The Cin-CNC surface displayed partial wettability with both toluene and water, which allowed stabilization w/o inverse Pickering emulsions. The Cin-CNC particles around the droplets were subsequently locked by cross-linking TEOS or TBOS silica precursors at the water/toluene interface, leading to an intricate network of polysiloxane within the Cin-CNC shell. In optimized conditions, the Cin-CNC/silica colloidosomes obtained displayed a robust shell and slow releasing capacity with regards to encapsulated molecules such as rhodamine B or fluorescent deoxyribonucleic acid (DNA). In the last chapter, we summarized the general conclusions of the thesis and proposed some recommendations for the future work. The cellulose nanocrystals were modified by esterification and surface initiated Atom Transfer Radical Polymerization. The characterization, mechanism and advanced applications of the functionalized CNC were envisaged. Based on the research and results in this project, we also proposed some recommendations for the future work on the modification of CNC and the other advanced applications.

Download or read book Liposomes written by Angel Catala and published by BoD – Books on Demand. This book was released on 2017-10-25 with total page 327 pages. Available in PDF, EPUB and Kindle. Book excerpt: Liposomes have received increased attention in recent years. Nevertheless, liposomes, due to their various forms and applications, require further investigation. These structures can deliver both hydrophilic and hydrophobic drugs. Preparation of liposomes results in different properties for these systems. In addition, there are many factors and difficulties that affect the development of liposome drug delivery structure. The purpose of this book is to concentrate on recent developments on liposomes. The articles collected in this book are contributions by invited researchers with a long-standing experience in different research areas. We hope that the material presented here is understandable to a broad audience, not only scientists but also people with general background in many different biological sciences. This volume offers you up-to-date, expert reviews of the fast-moving field of liposomes.

Download or read book Encyclopedia of Surface and Colloid Science written by P. Somasundaran and published by CRC Press. This book was released on 2006 with total page 1084 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Surface Chemistry of Cellulose Nanocrystals written by Elena Sirbu and published by . This book was released on 2016 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Nanocellulose and Nanohydrogel Matrices written by Mohammad Jawaid and published by John Wiley & Sons. This book was released on 2017-10-23 with total page 382 pages. Available in PDF, EPUB and Kindle. Book excerpt: This first book on nanocellulose and nanohydrogels for biomedical applications is unique in discussing recent advancements in the field, resulting in a comprehensive, well-structured overview of nanocellulose and nanohydrogel materials based nanocomposites. The book covers different types of nanocellulose materials and their recent developments in the drug delivery and nanomedicine sector, along with synthesis, characterization, as well as applications in the biotechnological and biomedical fields. The book also covers the current status and future perspectives of bacterial cellulose and polyester hydrogel matrices, their preparation, characterization, and tissue engineering applications of water soluble hydrogel matrices obtained from biodegradable sources. In addition, the chitosan-based hydrogel and nanogel matrices, their involvement in the current biofabrication technologies, and influencing factors towards the biomedical sector of biosensors, biopharmaceuticals, tissue engineering appliances, implant materials, diagnostic probes and surgical aids are very well documented. Further, the history of cellulose-based and conducting polymer-based nanohydrogels, their classification, synthesis methods and applicability to different sectors, the challenges associated with their use, recent advances on the inhibitors of apoptosis proteins are also included. The recent developments and applications in the drug delivery sector gives an overview of facts about the nanofibrillated cellulose and copoly(amino acid) hydrogel matrices in the biotechnology and biomedicine field. This book serves as an essential reference for researchers and academics in chemistry, pharmacy, microbiology, materials science and biomedical engineering.

Download or read book Understanding the Role of Cellulose Nanocrystal Surface Charge on Rheology and Chirality written by Doron Kam and published by . This book was released on 2015 with total page 52 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Bio and Nano sensing Technologies for Food Processing and Packaging written by Ashutosh Kumar Shukla and published by Royal Society of Chemistry. This book was released on 2022-10-19 with total page 222 pages. Available in PDF, EPUB and Kindle. Book excerpt: The importance of processing and packaging food items so that they are safe for the consumer cannot be underestimated. Sensors have an important role to play in this, and sensing technologies have attracted the attention of the scientific community in view of increasing environmental and societal concerns. This edited volume presents a collection of ten chapters discussing the current trends of bio- and nano-sensing technologies for processing and packaging of food items. Starting with an overview chapter which introduces the field, the book goes on to discuss novel applications related to preservation, authenticity and safety of foods. Intelligent food packaging and nano-based sensing are covered, and the book finishes with a look towards the pros and cons of how this will revolutionise sensing throughout the food sector. It will be of benefit to scientists and practising professionals conducting research in the areas of food processing, contamination and food safety, and academic researchers and graduate students studying food technology or food engineering.

Download or read book Adsorptive Surface Modification of Cellulose Nanocrystals to Stabilize Nutraceuticals Loaded Lipid Carriers for Food Application written by Avinash Singh Patel and published by . This book was released on 2020 with total page 368 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Cellulose Nanocrystals written by Latifah Jasmani and published by . This book was released on 2015 with total page 500 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Surface Modification of Cellulose Nanocrystals written by Samuel Eyley and published by . This book was released on 2013 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Surface Modifications of Cellulose Nanocrystals for Biobased Food Packaging Applications written by Manon Le Gars and published by . This book was released on 2020 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The purpose of this project is to develop new surface chemical modifications of cellulose nanocrystals (CNCs), in order to enhance their compatibility with biobased poly(lactic acid) (PLA) polymer, and to combine their respective outstanding intrinsic properties. Biobased PLA-based multi-phase materials, including the designed nanostructures, are produced. Furthermore, the final materials are expected to be used in food packaging sector, and the improvement of the barrier properties of the PLA, especially towards oxygen and water vapour, is a key point in the characterization of the materials. In this project, different routes are proposed for the grafting of various compounds - polymers or singles molecules - on the surface of the CNCs. Their grafting efficiency has been confirmed and carefully characterized. The modified CNCs are then introduced in PLA-based materials via two different strategies. Indeed, they are either used as nanofillers in a PLA matrix with inclusion rates comprised between 2 and 10 wt%, or as an inner layer of PLA-based multi-layered materials. In both cases, final PLA-based materials including various designed cellulosic nanomaterials exhibit enhanced and highly encouraging properties in terms of homogeneity, transparency, and barrier towards oxygen and water vapour, in accordance with required properties for food packaging materials.

Download or read book Industrial Applications of Nanocrystals written by Shadpour Mallakpour and published by Elsevier. This book was released on 2022-06-23 with total page 518 pages. Available in PDF, EPUB and Kindle. Book excerpt: Approx.494 pages Approx.494 pages

Download or read book Nanoscience in Dermatology written by Michael R. Hamblin and published by Academic Press. This book was released on 2016-08-13 with total page 404 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nanoscience in Dermatology covers one of the two fastest growing areas within dermatological science, nanoscience and nanotechnology in dermatology. Recently, great progress has been made in the research and development of nanotechnologies and nanomaterials related to various applications in medicine and, in general, the life sciences. There is increasing enthusiasm for nanotechnology applications in dermatology (drug delivery, diagnostics, therapeutics, imaging, sensors, etc.) for understanding skin biology, improving early detection and treatment of skin diseases, and in the design and optimization of cosmetics. Light sensitive nanoparticles have recently been explored, opening a new era for the combined applications of light with nanotechnology, also called photonanodermatology. However, concerns have been raised regarding the adverse effects of intentional and unintentional nanoparticle exposure and their toxicity. Written by experts working in these exciting fields, this book extensively covers nanotechnology applications, together with the fundamentals and toxicity aspects. It not only addresses current applications of nanotechnology, but also discusses future trends of these ever-growing and rapidly changing fields, providing scientists and dermatologists with a clear understanding of the advantages and challenges of nanotechnology in skin medicine. Provides knowledge of current and future applications of nanoscience and nanotechnology in dermatology Outlines the fundamentals, methods, toxicity aspects, and other relevant aspects for nanotechnology based applications in dermatology Coherently structured book written by experts working in the fields covered